{"action":"Upgrade aiohttp to 3.14.1 or later.","affected":[{"fixed":"3.14.1","introduced":"0"}],"component":"aiohttp","cve_ids":["CVE-2026-54275"],"ecosystem":"PyPI","epss":0.0047,"exploited":false,"fixed_versions":["3.14.1"],"ghsa_id":"GHSA-4m7w-qmgq-4wj5","id":"tcs_01M5KEYHHQKFT2CXP3Y5FCKX8Q","modified_at":"2026-09-10T03:50:48.205198252Z","published_at":"2026-06-15T20:11:13Z","references":["https://osv.dev/vulnerability/GHSA-4m7w-qmgq-4wj5","https://github.com/aio-libs/aiohttp/security/advisories/GHSA-4m7w-qmgq-4wj5","https://github.com/aio-libs/aiohttp"],"severity":{"label":"low"},"sources":[{"source":"osv","source_id":"GHSA-4m7w-qmgq-4wj5","url":"https://osv.dev/vulnerability/GHSA-4m7w-qmgq-4wj5"}],"summary":"aiohttp: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections"}